T300 si

I have a T300 si ,approx 9 years old, a few weeks ago it started to continue with water coming out of the shower head when switched of at control unit and at isolator. The amount of water is approx 500mls a minute, so have to turn off water to unit between showers. I have replaced the solenoid and the main seal. When the shower is used the plunger at the top of the stabiliser valve goes up and down fully and I cannot find any leaks inside the unit. Do you have any idea or am I better off taking one on chin and getting a new shower unit.
Asked 11 years ago by Anonymous

If when you switch off the shower at the mainisolator and the shower keeps running then you have afaulty solenoid.

When you switch off the shower at themain isolator and the waterstops running, then you have a faulty on/off switch or a faulty PCB or a micro switch that is stickingon.

Answered 11 years ago by Anonymous

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